Report Generated 01/28/2019 at 1049

Page Description

1 - Mean Daily Water Temperature, Release Flow Rates and Air Temperatures with Monthly Averages

2 - Redding 10-Day Forecasted Air Temperatures

3 - Sacramento River Mean Daily Water Temperature, Air Temperature and 10-Day Forecasted Air Temperature Plot

- Water Temperature Measuring Station Details

- Temperature Control Point Details

4 - Daily Maximum and 7DADM 

5 - Shasta Lake Isothermobaths Plot

6 - Trinity Lake Isothermobaths Plot

7 - Whiskeytown Lake Isothermobaths Plot

x - TCD Configuration (External Link)

All Data in this Report is Preliminary and Subject to Change

Northern CVP Water Temperature Report

December - 2018
1

Shasta 

Generation 

Spring Creek 

P.P.

Keswick 

Total BSF RDB LWS

Nov 3927 299 4706 51.3 53.7 -

12/01 54.2 53.7 54.4 53.6 53.3 53.2 52.7 52.3 52.0 52.0 52.4 # - 45.8 3410 154 3989 46.5 47.6 49.4 -

12/02 54.3 53.7 54.4 53.3 52.9 52.6 51.7 51.3 51.0 51.4 51.6 # - 44.5 3385 224 3981 43.5 39.5 43.1 -

12/03 54.4 53.9 54.0 53.1 52.7 52.4 ? 51.3 50.5 50.1 50.1 51.2 # - 43.6 2702 433 3983 43.5 38.9 42.6 -

12/04 54.1 53.6 54.7 52.9 52.6 52.5 ? 51.9 51.4 50.9 50.4 52.0 # - 44.0 3972 73 4008 50.5 50.2 50.9 -

12/05 54.2 53.7 53.9 52.9 52.6 52.6 ? 52.3 52.0 51.7 51.5 52.3 # - 45.0 2955 687 4027 50.5 46.6 48.1 -

12/06 54.0 ? 53.4 54.1 53.0 52.7 52.5 51.8 51.4 51.0 51.3 51.6 # - 44.3 3476 145 4032 49.5 43.5 47.6 -

12/07 53.9 53.2 54.0 52.8 52.4 52.2 51.4 50.9 50.5 50.6 50.9 # - 43.5 3890 85 4031 46.0 40.1 43.9 -

12/08 54.0 53.3 54.0 52.8 52.6 52.5 ? 51.8 51.2 50.7 50.6 51.5 # - 44.2 3153 44 4029 50.0 45.4 48.0 -

12/09 53.7 53.0 53.2 52.7 52.4 52.2 ? 51.5 51.1 50.7 50.8 51.4 # - 44.8 3998 91 4028 44.0 41.7 43.6 -

12/10 54.5 54.0 53.2 52.8 52.7 52.7 ? 52.3 52.0 51.5 51.3 ? 51.5 # - 46.4 3665 58 4036 51.5 49.3 51.3 -

12/11 55.6 55.1 53.0 52.7 52.4 52.3 51.7 51.3 51.0 51.3 51.0 # - 45.9 2655 693 4026 51.5 45.3 49.4 -

12/12 55.2 54.7 53.3 52.7 52.4 52.2 51.9 51.6 51.2 51.2 51.0 # - 45.2 3747 96 4047 50.5 47.8 50.5 -

12/13 55.2 54.6 52.6 53.3 52.9 52.5 51.5 50.9 50.5 50.8 50.4 ! - 43.3 3431 221 4029 46.5 42.5 47.5 -

12/14 54.9 54.3 52.4 53.5 53.0 52.5 51.6 50.9 50.4 50.3 50.1 43.0 42.3 3807 306 4048 43.5 42.8 46.1 37.4

12/15 54.8 54.2 52.3 53.5 53.1 52.8 51.6 51.3 51.0 51.0 50.2 44.1 43.2 3165 216 4036 46.0 45.6 46.3 39.8

12/16 54.4 53.8 51.9 53.4 52.9 52.9 52.1 52.1 51.7 51.3 50.1 44.6 44.9 3512 312 4054 50.0 49.5 50.9 46.2

12/17 54.3 53.8 51.7 53.3 53.0 53.0 ? 50.9 50.8 50.7 51.3 50.1 44.9 45.2 2705 696 4059 50.0 50.0 51.0 43.1

12/18 54.2 53.7 51.6 53.3 53.2 53.1 52.5 52.0 51.7 51.5 50.5 45.0 45.6 3472 310 4024 51.5 50.1 50.8 44.0

12/19 54.2 53.6 51.5 53.3 53.3 53.4 53.0 52.8 ? 52.6 52.7 50.6 45.2 45.5 3474 264 4020 53.0 50.7 53.8 44.9

12/20 54.0 53.5 51.6 53.3 53.1 53.0 52.6 52.5 52.5 52.7 50.2 45.6 45.7 3317 109 4023 48.5 48.8 49.8 45.3

12/21 53.7 53.2 51.2 53.3 53.2 53.2 52.8 52.7 52.6 52.7 50.1 44.9 45.6 3449 90 4029 51.5 49.3 50.8 42.1

12/22 53.8 53.3 51.3 53.0 52.6 52.4 51.2 50.9 50.8 51.3 49.3 44.0 44.0 3329 482 4027 46.0 41.0 44.3 37.2

12/23 53.5 53.0 51.2 52.7 52.5 52.4 51.7 51.1 50.8 50.5 49.8 44.4 43.9 3652 134 4026 48.5 45.3 45.7 40.1

12/24 53.3 52.8 50.9 52.6 52.1 52.0 50.5 50.5 50.4 50.6 49.3 44.5 44.7 3470 98 4027 44.0 44.2 44.7 41.1

12/25 53.3 52.8 50.7 52.6 52.2 52.0 49.5 48.9 48.8 49.0 48.9 44.1 44.3 3550 89 4031 48.0 47.1 49.2 38.5

12/26 53.4 52.9 51.0 52.2 51.9 51.7 50.0 49.2 48.9 48.8 48.7 44.1 44.0 3222 432 4029 47.5 44.7 47.0 38.1

12/27 53.2 52.6 51.7 51.8 51.4 51.3 49.8 49.0 ? 48.6 48.6 48.3 43.0 43.3 3600 45 4031 45.5 41.8 45.0 34.5

12/28 53.0 52.4 50.4 51.8 51.3 50.9 49.3 48.5 ? 48.1 48.1 47.8 41.8 41.9 3444 398 4026 50.5 47.0 47.7 31.0

12/29 ? 53.0 52.5 51.2 51.7 51.5 51.4 49.9 48.9 ? 48.4 48.0 48.3 42.5 41.0 3455 44 3886 50.0 42.9 45.7 34.3

12/30 52.7 52.1 51.1 51.6 51.3 51.1 50.1 49.5 49.1 48.8 48.2 42.6 41.8 4104 44 3879 43.5 41.6 42.4 39.6

12/31 52.8 52.1 50.6 51.7 51.2 50.8 49.5 48.8 ? 48.4 48.4 47.6 41.2 41.6 3923 44 3882 48.0 47.0 47.3 32.6

Dec 3454 230 4012 45.4 47.6 39.4

107089 7117 124383

Legend Notes 212407 14116 246709

? = 1-9 hours of data missing (Average includes estimations) 1 Temperatures are weighted averages based on individual penstock flow and temperature

! = 10 or more hours of data missing (Average not calculated) Highlighted cells in the TCD column indicate a TCD change was made on that day

# = Station out of service 2 Current control point (see page 3 for more details)

↑ = Record high air temperature 3 NFH is only reported in October, November and December

↓ = Record low air temperature

 = Monthly Averages

52.3

D

A

T

E

Mean Daily Water Temperatures (°F) Mean Daily 

Release (CFS)

55.0 54.8 53.9 46.2

TCD SAC CCR JLF 1 SHD SPP1 KWK BSF2

54.0 53.4 52.4 52.8 52.5

56.6 54.3 54.1 54.0 53.8 53.5

Mean Daily 

Air Temperatures (°F)

53.2 53.3

48.0

RDD

44.2

55.5

BND

51.4 50.6 50.6

Total AF

RDB

Total CFS

IGO NFH 

50.2 43.9

LWS

-

50.9

3
2

↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg

12/01 38 55 46.5 44 53 48.5 28 53 40.5 28 50 39.0 33 48 40.5 35 55 45.0 33 57 45.0 32 55 43.5 38 60 49.0 44 60 52.0 40 59 49.5 37 57 47.0

12/02 37 56 46.5 32 52 42.0 27 51 39.0 34 51 42.5 34 54 44.0 35 56 45.5 33 55 44.0 36 56 46.0 45 54 49.5 43 56 49.5 41 59 50.0 41 56 48.5

12/03 31 56 43.5 31 53 42.0 34 54 44.0 38 54 46.0 36 58 47.0 34 58 46.0 34 55 44.5 36 54 45.0 46 54 50.0 39 57 48.0 39 59 49.0 37 61 49.0

12/04 30 57 43.5 34 54 44.0 39 53 46.0 36 58 47.0 34 56 45.0 38 57 47.5 35 55 45.0 38 53 45.5 42 57 49.5 42 62 52.0 41 61 51.0 40 59 49.5

12/05 43 58 50.5 46 55 50.5 36 58 47.0 33 55 44.0 37 58 47.5 37 56 46.5 38 54 46.0 34 56 45.0 38 60 49.0 44 58 51.0 44 57 50.5 37 54 45.5

12/06 46 55 50.5 47 58 52.5 32 56 44.0 35 59 47.0 36 54 45.0 36 54 45.0 36 57 46.5 38 56 47.0 40 55 47.5 40 55 47.5 35 54 44.5 39 54 46.5

12/07 37 62 49.5 33 58 45.5 35 59 47.0 35 54 44.5 38 55 46.5 34 57 45.5 35 57 46.0 36 56 46.0 39 55 47.0 41 55 48.0 37 53 45.0 36 54 45.0

12/08 32 60 46.0 38 61 49.5 35 56 45.5 38 57 47.5 33 57 45.0 36 56 46.0 34 58 46.0 36 54 45.0 38 56 47.0 43 54 48.5 40 56 48.0 38 61 49.5

12/09 36 64 50.0 36 55 45.5 39 58 48.5 34 59 46.5 39 58 48.5 35 59 47.0 36 55 45.5 36 54 45.0 42 54 48.0 48 57 52.5 48 58 53.0 41 61 51.0

12/10 36 52 44.0 42 59 50.5 34 59 46.5 36 60 48.0 34 59 46.5 37 55 46.0 36 54 45.0 40 53 46.5 48 53 50.5 48 58 53.0 45 60 52.5 39 59 49.0

12/11 41 62 51.5 39 60 49.5 37 59 48.0 34 59 46.5 36 55 45.5 36 58 47.0 39 53 46.0 40 56 48.0 41 58 49.5 43 61 52.0 43 58 50.5 36 61 48.5

12/12 41 62 51.5 40 59 49.5 33 60 46.5 37 55 46.0 39 57 48.0 40 56 48.0 40 58 49.0 39 60 49.5 39 65 52.0 42 64 53.0 42 63 52.5 38 63 50.5

12/13 38 63 50.5 35 61 48.0 36 56 46.0 41 55 48.0 42 57 49.5 40 58 49.0 38 60 49.0 38 63 50.5 40 62 51.0 42 63 52.5 43 63 53.0 41 63 52.0

12/14 33 60 46.5 36 54 45.0 39 55 47.0 43 55 49.0 39 56 47.5 37 59 48.0 39 63 51.0 39 62 50.5 43 61 52.0 43 62 52.5 39 62 50.5 39 60 49.5

12/15 35 52 43.5 42 54 48.0 45 53 49.0 41 56 48.5 39 58 48.5 40 63 51.5 40 61 50.5 39 62 50.5 42 62 52.0 41 63 52.0 42 62 52.0 39 60 49.5

12/16 42 50 46.0 49 53 51.0 42 55 48.5 43 56 49.5 43 64 53.5 40 61 50.5 39 61 50.0 38 59 48.5 42 63 52.5 40 59 49.5 42 58 50.0 37 57 47.0

12/17 49 51 50.0 47 54 50.5 42 55 48.5 42 62 52.0 40 59 49.5 39 60 49.5 38 59 48.5 39 58 48.5 44 58 51.0 45 57 51.0 38 57 47.5 36 60 48.0

12/18 46 54 50.0 49 53 51.0 43 62 52.5 39 56 47.5 39 57 48.0 36 58 47.0 38 56 47.0 38 55 46.5 41 56 48.5 38 53 45.5 37 56 46.5 39 57 48.0

12/19 49 54 51.5 50 62 56.0 40 56 48.0 40 58 49.0 35 59 47.0 38 55 46.5 41 55 48.0 37 54 45.5 36 55 45.5 33 56 44.5 35 56 45.5 34 57 45.5

12/20 42 64 53.0 43 55 49.0 40 56 48.0 35 55 45.0 39 55 47.0 42 54 48.0 37 53 45.0 33 54 43.5 38 58 48.0 38 62 50.0 41 60 50.5 38 59 48.5

12/21 44 53 48.5 49 57 53.0 36 56 46.0 39 54 46.5 42 55 48.5 38 55 46.5 35 56 45.5 33 56 44.5 39 58 48.5 38 60 49.0 38 62 50.0 38 63 50.5

12/22 44 59 51.5 35 56 45.5 41 56 48.5 43 53 48.0 38 56 47.0 35 57 46.0 34 56 45.0 33 57 45.0 40 59 49.5 37 63 50.0 42 60 51.0 36 58 47.0

12/23 35 57 46.0 45 52 48.5 42 52 47.0 37 57 47.0 36 58 47.0 35 56 45.5 33 56 44.5 35 56 45.5 37 59 48.0 37 63 50.0 41 62 51.5 40 61 50.5

12/24 45 52 48.5 42 52 47.0 37 57 47.0 35 57 46.0 34 55 44.5 33 55 44.0 36 56 46.0 36 57 46.5 37 62 49.5 39 61 50.0 39 61 50.0 39 61 50.0

12/25 41 47 44.0 37 57 47.0 38 59 48.5 36 55 45.5 34 55 44.5 34 57 45.5 34 54 44.0 33 56 44.5 41 62 51.5 39 62 50.5 40 60 50.0 38 61 49.5

12/26 36 60 48.0 36 59 47.5 36 55 45.5 34 56 45.0 34 58 46.0 37 56 46.5 35 57 46.0 35 61 48.0 44 68 56.0 43 65 54.0 43 61 52.0 39 59 49.0

12/27 35 60 47.5 34 55 44.5 34 55 44.5 35 60 47.5 35 58 46.5 37 57 47.0 34 59 46.5 35 60 47.5 41 62 51.5 36 56 46.0 35 58 46.5 40 55 47.5

12/28 33 58 45.5 45 58 51.5 36 59 47.5 37 57 47.0 38 56 47.0 35 58 46.5 36 59 47.5 38 59 48.5 37 59 48.0 36 59 47.5 35 60 47.5 39 56 47.5

12/29 43 58 50.5 38 59 48.5 35 58 46.5 36 54 45.0 33 57 45.0 35 58 46.5 35 58 46.5 35 58 46.5 38 55 46.5 39 57 48.0 39 54 46.5 38 54 46.0

12/30 37 63 50.0 32 58 45.0 35 52 43.5 32 56 44.0 35 58 46.5 36 57 46.5 36 57 46.5 38 52 45.0 37 58 47.5 40 58 49.0 38 58 48.0 39 60 49.5

12/31 32 55 43.5 42 52 47.0 31 56 43.5 33 56 44.5 35 56 45.5 36 56 46.0 35 55 45.0 36 57 46.5 40 61 50.5 43 56 49.5 38 58 48.0 39 58 48.5

Web Links Legend

10-Day Min/Max Forecast NR = Forecasted temperatures not recorded

Previous Days Min/Max Actuals 100 = Previous day actual temperatures in red and bolded indicate a record temperature for that date

9 Days 10 Days

Redding (RDD) Daily Air Temperatures (°F)

8 Days

D

A

T

E

Forecasted

4 Days 5 Days 6 Days

Actual

Previous Day Current Day 1 Day 2 Days 3 Days 7 Days
3

Code Body of Water Location1 CDEC Link Point Temp. (°F) Begin Date

TCD N/A Shasta Power Plant N/A BSF 56.0 05/25/2018

SHD Sacramento River 0.3 miles downstream of Shasta Power Plant Click Here

SPP N/A Spring Creek Power Plant N/A

KWK Sacramento River 0.8 miles downstream of Keswick Dam Click Here

SAC Sacramento River 4.8 miles downstream of Keswick Dam Click Here

CCR Sacramento River 9.7 miles downstream of Keswick Dam Click Here

BSF Sacramento River 25 miles downstream of Keswick Dam Click Here

JLF Sacramento River 34 miles downstream of Keswick Dam Click Here

BND Sacramento River 41 miles downstream of Keswick Dam Click Here

RDB Sacramento River 58 miles downstream of Keswick Dam Click Here Notes

IGO Clear Creek 7.3 miles downstream of Whiskeytown Dam Click Here

LWS Trinity River 1.1 miles downstream of Lewiston Dam Click Here 1 Distances are approximate

DGC2 Trinity River 19 miles downstream of Lewiston Dam Click Here 2 DGC is only reported in September

NFH3 Trinity River 38 miles downstream of Lewiston Dam Click Here 3 NFH is only reported in October, November and December

Station Details Temperature Control Point

40

42

44

46

48

50

52

54

49

50

51

52

53

54

55

56

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

Air Temperature (°F)

Water Temperature (°F)

Mean Daily Temperatures

TCD KWK SAC CCR BSF RDD (Air)
4

12/01 54.2 54.1 54.3 54.4 52.7

12/02 54.1 53.8 54.2 54.2 51.7

12/03 53.8 53.5 54.0 54.0 51.3

12/04 53.1 53.2 53.9 53.9 51.9

12/05 53.2 53.2 53.8 53.7 52.3

12/06 53.9 53.8 53.8 53.7 51.8

12/07 53.5 53.5 53.7 53.6 51.4

12/08 53.7 53.8 53.6 53.5 51.8

12/09 52.9 52.8 53.4 53.4 51.5

12/10 53.7 53.8 53.4 53.4 52.3

12/11 53.1 53.1 53.4 53.4 51.7

12/12 53.2 53.0 53.4 53.4 51.9

12/13 54.1 53.8 53.5 53.4 51.5

12/14 53.2 52.9 53.4 53.3 51.6

12/15 53.3 53.1 53.4 53.2 51.6

12/16 53.3 53.1 53.4 53.3 52.1

12/17 53.6 53.6 53.4 53.2 50.9

12/18 53.4 53.4 53.4 53.3 52.5

12/19 54.1 54.3 53.6 53.5 53.0

12/20 53.4 53.3 53.5 53.4 52.6

12/21 54.1 54.2 53.6 53.6 52.8

12/22 53.3 53.0 53.6 53.6 51.2

12/23 52.9 52.8 53.5 53.5 51.7

12/24 52.3 52.2 53.4 53.3 50.5

12/25 53.3 53.2 53.3 53.3 49.5

12/26 52.7 52.7 53.1 53.1 50.0

12/27 52.4 52.4 53.0 52.9 49.8

12/28 52.3 51.9 52.7 52.6 49.3

12/29 52.5 52.7 52.6 52.6 49.9

12/30 52.3 52.1 52.5 52.5 50.1

12/31 52.2 51.8 52.5 52.4 49.5

Notes12

DAT

D

2

ATE SAC CCR SAC

7DADM

1 Daily Max

CCR

7DADM = 7-Day Average 

Daily Maximum

DAT = Daily Average 

Temperature

BSF

44

51

58

65

72

51

52

53

54

55

13579 11 13 15 17 19 21 23 25 27 29 31

Air Temperature (°F)

Water Temperature (°F)

Daily Maximum

SAC CCR RDD (Air)

52

53

54

55

13579 11 13 15 17 19 21 23 25 27 29 31

Water Temperature (°F)

7DADM
5

Latest Profile Date: 01/03/2019

0

300

600

900

1200

1500

1800

2100

2400

2700

3000

3300

3600

3900

4200

4500

1-Jan 1-Feb 1-Mar 1-Apr 1-May 1-Jun 1-Jul 1-Aug 1-Sep 1-Oct 1-Nov 1-Dec

Storage, in TAF

Shasta Lake Isothermobaths - 2018

(Water Temperature, in °F)

Total Daily Storage
6

Latest Profile Date: 01/24/2019

0

200

400

600

800

1000

1200

1400

1600

1800

2000

2200

2400

2600

2800

1-Jan 1-Feb 1-Mar 1-Apr 1-May 1-Jun 1-Jul 1-Aug 1-Sep 1-Oct 1-Nov 1-Dec

Storage, in TAF

Trinity Lake Isothermobaths - 2018

(Water Temperature, in °F)

Total Daily Storage
7

Latest Profile Date: 01/23/2019

0

20

40

60

80

100

120

140

160

180

200

220

240

260

280

300

1-Jan 1-Feb 1-Mar 1-Apr 1-May 1-Jun 1-Jul 1-Aug 1-Sep 1-Oct 1-Nov 1-Dec

Storage, in TAF

Whiskeytown Lake Isothermobaths - 2018

(Water Temperature, in °F)

Total Daily Storage